>9naq_H mol:protein length:122 110_C4 Fab heavy chainQVHLVQSGAEVKKPGSSATVSCKASGGPFRGYSVSWVRQAPGQGLEWMGQIITMLDTITYAQRFQDRVTIRADETTSTIYMELNSLRSEDTAIYYCARNGNATVGSLGMDVWGRGTTVTVSS